Three rival gangs embark on a search for Bruce Lee's handwritten "finger fighting " manual.

• Yangtze Productions Limited
• Ron Van Clief
• Charles Bonet
• Jason Pai Piao
• Yuen Qiu
• Thompson Kao Kang
• Addy Sung Gam-Loi
• Lau Hok-Nin
• Lee Tin-Ying